package cn.com.dycc.util;

import javax.servlet.http.HttpServletRequest;

/**
 * IP工具类
 * @author gaofan
 *
 */
public class IPUtil {
	public static String getLoginIp(HttpServletRequest request){
		String ip = request.getHeader("x-forwarded-for");
	    if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {  
	        ip = request.getHeader("Proxy-Client-IP"); 
	    }  
	    if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {  
	        ip = request.getHeader("WL-Proxy-Client-IP");
	    }  
	    if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {  
	        ip = request.getRemoteAddr();
	       
	    }
	    return ip;

	}

}
